armv8: sec_firmware: return job ring status as true in TFABOOT
[oweals/u-boot.git] / arch / arm / cpu / armv8 / fsl-layerscape / cpu.c
index 336909cfe5f296b4b7e6dd698acbf6cd67d7f039..36189f7a92cba50317eec3fb96629379b61efef8 100644 (file)
 #include <hwconfig.h>
 #include <fsl_qbman.h>
 
+#ifdef CONFIG_TFABOOT
+#include <environment.h>
+#ifdef CONFIG_CHAIN_OF_TRUST
+#include <fsl_validate.h>
+#endif
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 static struct cpu_type cpu_type_list[] = {
@@ -88,7 +95,8 @@ static struct mm_region early_map[] = {
 #endif
        { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
          CONFIG_SYS_FSL_DRAM_SIZE1,
-#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_TFABOOT) || \
+       (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
          PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 #else  /* Start with nGnRnE and PXN and UXN to prevent speculative access */
          PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
@@ -139,7 +147,8 @@ static struct mm_region early_map[] = {
 #endif
        { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
          CONFIG_SYS_FSL_DRAM_SIZE1,
-#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_TFABOOT) || \
+       (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
          PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 #else  /* Start with nGnRnE and PXN and UXN to prevent speculative access */
          PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
@@ -579,7 +588,221 @@ void enable_caches(void)
        icache_enable();
        dcache_enable();
 }
+#endif /* CONFIG_SYS_DCACHE_OFF */
+
+#ifdef CONFIG_TFABOOT
+enum boot_src __get_boot_src(u32 porsr1)
+{
+       enum boot_src src = BOOT_SOURCE_RESERVED;
+       u32 rcw_src = (porsr1 & RCW_SRC_MASK) >> RCW_SRC_BIT;
+#if !defined(CONFIG_FSL_LSCH3_2)
+       u32 val;
+#endif
+       debug("%s: rcw_src 0x%x\n", __func__, rcw_src);
+
+#if defined(CONFIG_FSL_LSCH3)
+#if defined(CONFIG_FSL_LSCH3_2)
+       switch (rcw_src) {
+       case RCW_SRC_SDHC1_VAL:
+               src = BOOT_SOURCE_SD_MMC;
+       break;
+       case RCW_SRC_SDHC2_VAL:
+               src = BOOT_SOURCE_SD_MMC2;
+       break;
+       case RCW_SRC_I2C1_VAL:
+               src = BOOT_SOURCE_I2C1_EXTENDED;
+       break;
+       case RCW_SRC_FLEXSPI_NAND2K_VAL:
+               src = BOOT_SOURCE_XSPI_NAND;
+       break;
+       case RCW_SRC_FLEXSPI_NAND4K_VAL:
+               src = BOOT_SOURCE_XSPI_NAND;
+       break;
+       case RCW_SRC_RESERVED_1_VAL:
+               src = BOOT_SOURCE_RESERVED;
+       break;
+       case RCW_SRC_FLEXSPI_NOR_24B:
+               src = BOOT_SOURCE_XSPI_NOR;
+       break;
+       default:
+               src = BOOT_SOURCE_RESERVED;
+       }
+#else
+       val = rcw_src & RCW_SRC_TYPE_MASK;
+       if (val == RCW_SRC_NOR_VAL) {
+               val = rcw_src & NOR_TYPE_MASK;
+
+               switch (val) {
+               case NOR_16B_VAL:
+               case NOR_32B_VAL:
+                       src = BOOT_SOURCE_IFC_NOR;
+               break;
+               default:
+                       src = BOOT_SOURCE_RESERVED;
+               }
+       } else {
+               /* RCW SRC Serial Flash */
+               val = rcw_src & RCW_SRC_SERIAL_MASK;
+               switch (val) {
+               case RCW_SRC_QSPI_VAL:
+               /* RCW SRC Serial NOR (QSPI) */
+                       src = BOOT_SOURCE_QSPI_NOR;
+                       break;
+               case RCW_SRC_SD_CARD_VAL:
+               /* RCW SRC SD Card */
+                       src = BOOT_SOURCE_SD_MMC;
+                       break;
+               case RCW_SRC_EMMC_VAL:
+               /* RCW SRC EMMC */
+                       src = BOOT_SOURCE_SD_MMC2;
+                       break;
+               case RCW_SRC_I2C1_VAL:
+               /* RCW SRC I2C1 Extended */
+                       src = BOOT_SOURCE_I2C1_EXTENDED;
+                       break;
+               default:
+                       src = BOOT_SOURCE_RESERVED;
+               }
+       }
 #endif
+#elif defined(CONFIG_FSL_LSCH2)
+       /* RCW SRC NAND */
+       val = rcw_src & RCW_SRC_NAND_MASK;
+       if (val == RCW_SRC_NAND_VAL) {
+               val = rcw_src & NAND_RESERVED_MASK;
+               if (val != NAND_RESERVED_1 && val != NAND_RESERVED_2)
+                       src = BOOT_SOURCE_IFC_NAND;
+
+       } else {
+               /* RCW SRC NOR */
+               val = rcw_src & RCW_SRC_NOR_MASK;
+               if (val == NOR_8B_VAL || val == NOR_16B_VAL) {
+                       src = BOOT_SOURCE_IFC_NOR;
+               } else {
+                       switch (rcw_src) {
+                       case QSPI_VAL1:
+                       case QSPI_VAL2:
+                               src = BOOT_SOURCE_QSPI_NOR;
+                               break;
+                       case SD_VAL:
+                               src = BOOT_SOURCE_SD_MMC;
+                               break;
+                       default:
+                               src = BOOT_SOURCE_RESERVED;
+                       }
+               }
+       }
+#endif
+
+       if (CONFIG_IS_ENABLED(SYS_FSL_ERRATUM_A010539) && !rcw_src)
+               src = BOOT_SOURCE_QSPI_NOR;
+
+       debug("%s: src 0x%x\n", __func__, src);
+       return src;
+}
+
+enum boot_src get_boot_src(void)
+{
+       struct pt_regs regs;
+       u32 porsr1 = 0;
+
+#if defined(CONFIG_FSL_LSCH3)
+       u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
+#elif defined(CONFIG_FSL_LSCH2)
+       struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+#endif
+
+       if (current_el() == 2) {
+               regs.regs[0] = SIP_SVC_RCW;
+
+               smc_call(&regs);
+               if (!regs.regs[0])
+                       porsr1 = regs.regs[1];
+       }
+
+       if (current_el() == 3 || !porsr1) {
+#ifdef CONFIG_FSL_LSCH3
+               porsr1 = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
+#elif defined(CONFIG_FSL_LSCH2)
+               porsr1 = in_be32(&gur->porsr1);
+#endif
+       }
+
+       debug("%s: porsr1 0x%x\n", __func__, porsr1);
+
+       return __get_boot_src(porsr1);
+}
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+int mmc_get_env_dev(void)
+{
+       enum boot_src src = get_boot_src();
+       int dev = CONFIG_SYS_MMC_ENV_DEV;
+
+       switch (src) {
+       case BOOT_SOURCE_SD_MMC:
+               dev = 0;
+               break;
+       case BOOT_SOURCE_SD_MMC2:
+               dev = 1;
+               break;
+       default:
+               break;
+       }
+
+       return dev;
+}
+#endif
+
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+       enum boot_src src = get_boot_src();
+       enum env_location env_loc = ENVL_NOWHERE;
+
+       if (prio)
+               return ENVL_UNKNOWN;
+
+#ifdef CONFIG_CHAIN_OF_TRUST
+       /* Check Boot Mode
+        * If Boot Mode is Secure, return ENVL_NOWHERE
+        */
+       if (fsl_check_boot_mode_secure() == 1)
+               goto done;
+#endif
+
+       switch (src) {
+       case BOOT_SOURCE_IFC_NOR:
+               env_loc = ENVL_FLASH;
+               break;
+       case BOOT_SOURCE_QSPI_NOR:
+               /* FALLTHROUGH */
+       case BOOT_SOURCE_XSPI_NOR:
+               env_loc = ENVL_SPI_FLASH;
+               break;
+       case BOOT_SOURCE_IFC_NAND:
+               /* FALLTHROUGH */
+       case BOOT_SOURCE_QSPI_NAND:
+               /* FALLTHROUGH */
+       case BOOT_SOURCE_XSPI_NAND:
+               env_loc = ENVL_NAND;
+               break;
+       case BOOT_SOURCE_SD_MMC:
+               /* FALLTHROUGH */
+       case BOOT_SOURCE_SD_MMC2:
+               env_loc =  ENVL_MMC;
+               break;
+       case BOOT_SOURCE_I2C1_EXTENDED:
+               /* FALLTHROUGH */
+       default:
+               break;
+       }
+
+#ifdef CONFIG_CHAIN_OF_TRUST
+done:
+#endif
+       return env_loc;
+}
+#endif /* CONFIG_TFABOOT */
 
 u32 initiator_type(u32 cluster, int init_id)
 {
@@ -1024,12 +1247,96 @@ phys_size_t get_effective_memsize(void)
        return ea_size;
 }
 
+#ifdef CONFIG_TFABOOT
+phys_size_t tfa_get_dram_size(void)
+{
+       struct pt_regs regs;
+       phys_size_t dram_size = 0;
+
+       regs.regs[0] = SMC_DRAM_BANK_INFO;
+       regs.regs[1] = -1;
+
+       smc_call(&regs);
+       if (regs.regs[0])
+               return 0;
+
+       dram_size = regs.regs[1];
+       return dram_size;
+}
+
+static int tfa_dram_init_banksize(void)
+{
+       int i = 0, ret = 0;
+       struct pt_regs regs;
+       phys_size_t dram_size = tfa_get_dram_size();
+
+       debug("dram_size %llx\n", dram_size);
+
+       if (!dram_size)
+               return -EINVAL;
+
+       do {
+               regs.regs[0] = SMC_DRAM_BANK_INFO;
+               regs.regs[1] = i;
+
+               smc_call(&regs);
+               if (regs.regs[0]) {
+                       ret = -EINVAL;
+                       break;
+               }
+
+               debug("bank[%d]: start %lx, size %lx\n", i, regs.regs[1],
+                     regs.regs[2]);
+               gd->bd->bi_dram[i].start = regs.regs[1];
+               gd->bd->bi_dram[i].size = regs.regs[2];
+
+               dram_size -= gd->bd->bi_dram[i].size;
+
+               i++;
+       } while (dram_size);
+
+       if (i > 0)
+               ret = 0;
+
+#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
+       /* Assign memory for MC */
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+       if (gd->bd->bi_dram[2].size >=
+           board_reserve_ram_top(gd->bd->bi_dram[2].size)) {
+               gd->arch.resv_ram = gd->bd->bi_dram[2].start +
+                           gd->bd->bi_dram[2].size -
+                           board_reserve_ram_top(gd->bd->bi_dram[2].size);
+       } else
+#endif
+       {
+               if (gd->bd->bi_dram[1].size >=
+                   board_reserve_ram_top(gd->bd->bi_dram[1].size)) {
+                       gd->arch.resv_ram = gd->bd->bi_dram[1].start +
+                               gd->bd->bi_dram[1].size -
+                               board_reserve_ram_top(gd->bd->bi_dram[1].size);
+               } else if (gd->bd->bi_dram[0].size >
+                          board_reserve_ram_top(gd->bd->bi_dram[0].size)) {
+                       gd->arch.resv_ram = gd->bd->bi_dram[0].start +
+                               gd->bd->bi_dram[0].size -
+                               board_reserve_ram_top(gd->bd->bi_dram[0].size);
+               }
+       }
+#endif /* CONFIG_FSL_MC_ENET */
+
+       return ret;
+}
+#endif
+
 int dram_init_banksize(void)
 {
 #ifdef CONFIG_SYS_DP_DDR_BASE_PHY
        phys_size_t dp_ddr_size;
 #endif
 
+#ifdef CONFIG_TFABOOT
+       if (!tfa_dram_init_banksize())
+               return 0;
+#endif
        /*
         * gd->ram_size has the total size of DDR memory, less reserved secure
         * memory. The DDR extends from low region to high region(s) presuming
@@ -1236,7 +1543,8 @@ void update_early_mmu_table(void)
 __weak int dram_init(void)
 {
        fsl_initdram();
-#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+#if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
+       defined(CONFIG_SPL_BUILD)
        /* This will break-before-make MMU for DDR */
        update_early_mmu_table();
 #endif